March weather forecast
Duncan, TN

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Weather in March

March, the first month of the spring in Duncan, is a mild month, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 57.7°F (14.3°C).

Temperature

The shift from February to March is marked by a slight increase in the average high-temperature, moving from a frosty 49.6°F (9.8°C) to a refreshing 57.7°F (14.3°C). March brings with it a nighttime average temperature of 40.3°F (4.6°C).

Humidity

In Duncan, the average relative humidity in March is 78%.

Rainfall

In Duncan, in March, during 13.6 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Duncan, during the entire year, the rain falls for 148.2 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall in Duncan. March is the last month it regularly snows in Duncan. During 2.9 snowfall days, in March, Duncan aggregates 0.47" (12mm) of snow. In Duncan, during the entire year, snow falls for 18.9 days and aggregates up to 3.58" (91mm) of snow.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of March, sunrise is at 7:04 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:22 am and sunset at 7:57 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 6.7h.

UV index

In Duncan, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 3 during March translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March?

The high-temperature during March is 57.7°F (14.3°C) and the low-temperature is 40.3°F (4.6°C).

What is the average humidity in March?

In March, the average relative humidity is 78%.

How many days does it rain in March?

In Duncan, in March, during 13.6 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

What is the last month it snows?

March is the last month it regularly snows. During 2.9 snowfall days, in March, Duncan aggregates 0.47" (12mm) of snow.

How many hours of daylight does Duncan have in March?

In Duncan, the average day length in March is 11h and 59min.

When are sunrise and sunset in March?

On the first day of March, sunrise is at 7:04 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:22 am and sunset at 7:57 pm EDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Duncan have in March?

In March, the average sunshine duration is 6.7h.

What is the UV index reading in March?

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Duncan, TN

Average temperature in March - Duncan, TN
  • Average high temperature in March: 57.7°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in March: 40.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in March
Duncan, TN

Average pressure in March - Duncan, TN
  • Average pressure in March: 30.09"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in March
Duncan, TN

Average wind speed in March - Duncan, TN
  • Average wind speed in March: 5.5mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in March
Duncan, TN

Average humidity in March - Duncan, TN
  • Average humidity in March: 78%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in March
Duncan, TN

Average rainfall in March - Duncan, TN
  • Average rainfall in March: 1.46"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in March
Duncan, TN

Average rainfall days in March - Duncan, TN
  • Average rainfall days in March: 13.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in March
Duncan, TN

Average snowfall in March - Duncan, TN
  • Average snowfall in March: 0.47"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in March
Duncan, TN

Average snowfall days in March - Duncan, TN
  • Average snowfall days in March: 2.9 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Duncan, TN

Average daylight in March / Average sunshine in March - Duncan, TN
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in March: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in March
Duncan, TN

Average sunshine days in March - Duncan, TN
  • Average sunshine days in March: 12.8 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in March
Duncan, TN

Average UV index in March - Duncan, TN
  • Average UV index in March: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in March
Duncan, TN

Average cloud cover in March - Duncan, TN
  • Average cloud cover in March: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in March
Duncan, TN

Average visibility in March - Duncan, TN
  • Average visibility in March: 5mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

Duncan, Tennessee, USA

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